Analysis

  • max time kernel
    180s
  • max time network
    180s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:24

General

  • Target

    a5a2f608fbd40bf76178db66e7e789fbbabb3b35fc284be1c10615dbfa0853c5.exe

  • Size

    166KB

  • MD5

    eae6610db384610ede43f9b441597d19

  • SHA1

    d3e189d45baf5429eba80a7b8d64551d8f00d3d1

  • SHA256

    a5a2f608fbd40bf76178db66e7e789fbbabb3b35fc284be1c10615dbfa0853c5

  • SHA512

    ece1f2f33f98b443b24f243e867ab92766ddbd2dab9a6dbeecff293e096c6ddfce019978dca0eae740cae88f27c5dd6bccdf9bcce924422593960e74b8a4b71c

Malware Config

Extracted

Path

C:\px275-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension px275. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/FB51C4977B6394D3 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.cc/FB51C4977B6394D3 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: Nx+yEzMJf7+CZk19hKZ20gnHO5qCBmDzZHCbulcRGz20BgxtbBIChEUpyLcwBlHq 6HNW3TJMukN1o3iaGLUp63VWRnNxOB7lTxa2Gj+clTh+DStO+IXigoJRF1SvAz0+ VH5DKlFGSA89jCatGGfcI7FfoNAn9PpJ3dJcTTSLbetonWoS6vvdBryO7h++rRbh VISgoPj6wIBkkSTkjMQ/gl7x6W5K7NevC2q3zhdPzGzOG4ndTd9v9/qYwlw/MFck 13WI+xzcP+Ulf3ydW+G/mWBDWWkov5K40iuiJ5Z47BCpa6JFtBqyQ/ySV/ruR9Q+ PkwRDYaMnC5lpLWOItrWImmCncokaAX1WnwiMYiI9vwnbSutBbLy1Ejn93Te7/rH QXfruZQapmxoF3LgdWoVLNeCWtVCud0FfEw5vaH+Td27SjoFauj5g+uMMyPuDSsw d0PeuWjzw1w+88rq7bHVqBdkJrchCDaNGXN5mNZq8f+GwcRSzwuv9d+7IUQnNkOr zfvQzpKvl7W9dIgK8mbw03DghjgtTS9HaC0yd+n7lEti1/ReSR6vaKKf/6HCW8RL 3M2HYxIP//SuS4FIHCpB/WdfTvIbMF21JlUyVj5Y+j54cw0ARZgkoErXm1NTsRUN E6Vr6XOzv8KwDGnmwN095vnXkjP4K9a43TlU8gqQhoMVZf5wdxPjrlI/22d3Jf5s /eyo8PtJIC/WrMTOpeFt4jifazk1QxQBRWqlRZ66CLh3f46jiDysC5078RQFiCM0 K/cLsnKvzc2AMqjZxFh8z5qAjCzkWLQLBg/kvwIrFlQDROvw7XaClNj32lxYqOzj CtJA2PKpsn/4CDCRKv1HdJDNVQ+On4g+CwDsmw5mHAYwMq9MIpHF1bIjWE1mVRnU yvMH/ssbpOqYI/a2gwXEiY5/zYgdmfKDEa8gl9GJ7qYI1pR9i1aupe5HHWBPLnX4 qrEJgindFFxDK+rCAYDWA1CLvkWp/nQelhfsGNLLXRHflLwlYS1Bo9xMt2mHpm/y /di+ys1B4ANY1WWeZwCdC56LHMKmGo+mwTXM8g/8Uvb0BmDpHNUcmf1jhaS5J/EZ vKHXHGrvw0+gnJZcl+j0uKQm0HK6Ozh+/SqGBxl8czewNOFjZQlnJw7iLNYdJ6kJ C/E+/XnXdHl5vnW9ELrc4RBwjc03uzLI4kREBvS9nYykftXJWNb/Z0wAIVEFcWmO FKWn0i9GUI/D5zinbJCUhIn8AV9EspBZkFHmvknZ9wsWvcbr2EFRt6oB3BThBwE6 E1MQtKjpVuk8qGS5MZ8= ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/FB51C4977B6394D3

http://decryptor.cc/FB51C4977B6394D3

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies extensions of user files 14 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5a2f608fbd40bf76178db66e7e789fbbabb3b35fc284be1c10615dbfa0853c5.exe
    "C:\Users\Admin\AppData\Local\Temp\a5a2f608fbd40bf76178db66e7e789fbbabb3b35fc284be1c10615dbfa0853c5.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3948
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:656
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2380

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3948-119-0x000002A029720000-0x000002A029722000-memory.dmp
      Filesize

      8KB

    • memory/3948-120-0x000002A029723000-0x000002A029725000-memory.dmp
      Filesize

      8KB

    • memory/3948-121-0x000002A029810000-0x000002A029832000-memory.dmp
      Filesize

      136KB

    • memory/3948-124-0x000002A041B30000-0x000002A041BA6000-memory.dmp
      Filesize

      472KB